[Bug 110946] [CI][BAT] igt at gem_sync@basic-store-each - fail - Failed assertion: !"GPU hung"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110946

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #9 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 09c5ab384f6fb30f834a5777888b4486dd7f015d (HEAD -> drm-intel-next-queued,
drm-intel/for-linux-next, drm-intel/drm-intel-next-queued)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Jun 19 18:01:35 2019 +0100

    drm/i915: Keep rings pinned while the context is active

    Remember to keep the rings pinned as well as the context image until the
    GPU is no longer active.

    v2: Introduce a ring->pin_count primarily to hide the
    mock_ring that doesn't fit into the normal GGTT vma picture.

    v3: Order is important in teardown, ringbuffer submission needs to drop
    the pin count on the engine->kernel_context before it can gleefully free
    its ring.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110946
    Fixes: ce476c80b8bf ("drm/i915: Keep contexts pinned until after the next
kernel context switch")
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
    Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20190619170135.15281-1-chris@chris-wilson.co.uk

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